88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
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// tracks.h
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// tyre tracks, footprints...
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// 22 sept 98
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//
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#ifndef _TRACKS_H_
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#define _TRACKS_H_
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#include "MFStdLib.h"
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#include "Structs.h"
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#include "game.h"
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// this is how many track slots are available on the given system
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// using BUILD_PSX means that it'll be 50 both on the PSX, *AND* when Mike builds PSX
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// nads on his PC.
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#ifndef BUILD_PSX
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#define TRACK_BUFFER_LENGTH 300
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#else
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#define TRACK_BUFFER_LENGTH 50
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#endif
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#define TRACK_SURFACE_NONE 0
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#define TRACK_SURFACE_MUDDY 1
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#define TRACK_SURFACE_WATER 2
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#define TRACK_SURFACE_ONSNOW 3
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#define TRACK_TYPE_TYRE 1
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#define TRACK_TYPE_TYRE_SKID 2
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#define TRACK_TYPE_LEFT_PRINT 3
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#define TRACK_TYPE_RIGHT_PRINT 4
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#define TRACK_FLAGS_FLIPABLE 1
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#define TRACK_FLAGS_SPLUTTING 2
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#define TRACK_FLAGS_INVALPHA 4
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struct Track {
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// SLONG x,y,z; // not required -- here to debug...
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SLONG dx,dy,dz;
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SLONG page,colour;
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THING_INDEX thing; //Thing* thing; //miked did this
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SWORD sx,sz;
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UWORD padtolong;
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UBYTE flip;
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UBYTE flags;
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UBYTE splut;
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UBYTE splutmax;
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};
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typedef Track* TrackPtr;
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extern Track *tracks;//[TRACK_BUFFER_LENGTH];
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extern UWORD track_head,track_tail,track_eob;
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#define TO_TRACK(x) (&tracks[x])
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#define TRACK_NUMBER(x) (UWORD)(x-TO_TRACK(0))
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void TRACKS_InitOnce(SWORD size=TRACK_BUFFER_LENGTH);
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void TRACKS_Reset(SWORD size=TRACK_BUFFER_LENGTH);
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void TRACKS_Draw();
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void TRACKS_DrawTrack(Thing *p_thing);
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// Figure out the offsets given the width
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void TRACKS_CalcDiffs(Track &track, UBYTE width);
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// Add a track unit supplying exact parameters one by one
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void TRACKS_AddQuad(SLONG x, SLONG y, SLONG z, SLONG dx, SLONG dy, SLONG dz, SLONG page, SLONG colour, UBYTE width, UBYTE flip, UBYTE flags);
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// Add a track unit supplying a completed track entry
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void TRACKS_AddTrack(Track &track);
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// Add a track unit "intelligently" supplying coordinates and a type of track
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UWORD TRACKS_Add(SLONG x, SLONG y, SLONG z, SLONG dx, SLONG dy, SLONG dz, UBYTE type, UWORD last);
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// What grounds is at XZ?
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SLONG TRACKS_GroundAtXZ(SLONG X, SLONG Z);
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// Make something bleed
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void TRACKS_Bleed(Thing *bleeder);
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void TRACKS_Bloodpool(Thing *bleeder);
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#endif
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